Tool for inserting piston rings



Apr.11,1923. 1,452,468 R. LEE

TOOL FOR INSERTING PISTON `RINGS `Filed March 2o, 1922 Patented Apr. 17,1.923.

g UNITED s'rArEs ness LEE, `or cnnrrnnnrssounr.

Toon son msnnfrme msnen Rines.

:Application mediteren 2o, 1922. serial-No'. 545,109.

To all whom t vmay concern.'

Be it known that I` Ross Liana citizen of the United States, residing atChaffeain the: lcounty of Scott and Statel offMissouri, have inventedcertain new and useful Improvements in Tools for Inserting Piston Rings,of which the following is a specilication.

This invention relates to tools for inserting piston rings, and itcomprises a pair of' armsorhandles lpivotally connected to each other, aflexible band secured to one of said arms and adapted to be contractedby the movement of the other arm, and means Jfor adjusting the size ofsaid band.

In the present invention, I providel a tool having a substantiallycircular receiving portion adapted to receive a piston ring, and meansfor. contracting said circular portion to place a piston ringA within apiston ring groove and permit a cylinder to slide over the piston.

' An Object of the invention is the provision ot' a tool for insertingpiston rings which may be adjusted to various sizes for inserting ringson different size pistons.

A further object is the provision of a tool by means of which the pistonring may be contracted, thus eliminating the necessity of itting ringsby hand.

In the accompanying drawings, I have shown one embodiment of theinvention,

ered over the piston; l

drawings, I have illustrated the method of In this showing:

Figure 1 is a side elevation of the tool in use` Figure 2 is a top planview of the tool, showing a piston ring in position, f

Figure 3 is a detail sectional view on line 3-3 of Figure 2, and,

Figure 4 is a simil-ar view on line 4-4 of Figure 2.

Referring to the drawings, the refer' ence numeral 1 designates a mainhandle which is provided with a pair of spaced lugs 2 and 3. The end ofthe tool is-provided with an enlarged arcuate'portion 4 and a band 5 ofresilient 4metal is secured to one end of this arcuate portion. Asshown, the end 6 of the band is looped about a pin or bolt 7, carried bythe arcuate portion of the handle. The opposite end of the arcuateportion of the handle is provided with a recess forming upper` and lowerguides 8. A roller 9 is supported in this recess, the roller being heldin position by means of a bolt 10. The band 5 is passed i through thisrecess behind the roller and a threaded rod l1 is secured to the end ofthe band in any suitable manner.

An auxiliary handle 12 is pivotally mounted on the lug 3, as at 13, andthis handle is providedA with a heel 14 extendingtoward themain handle.A link formed of upper aindlower plates l5 is connected to the heel ofthe auxiliaryhandle and the `o`pposite end of the link'is connected toapivoted lever 16, formed by a pair of plates arranged above and belowthe handles. This lever is'pivoted on the lug 2, as atl 17and isconnected to a yoke or block 18, having an opening 19 therein. Thethreaded rod passes through this opening and is 'retained in adjustedposition by Lva .thumb` nut 20.

It will be apparent that ywhen the auxil-r iary handle l2 is movedtoward the main handle, as indicated in' dotted lines in Figure 2 of thedrawings, the threaded rod will be drawn inwardly contracting thecircular portion of the band 5.

In the use of the device, a piston is removed from a cylinder forinserting new rings and the rings are arranged in the y ringed groovesof the piston. These piston rings are suiiiciently resilient to causethem to project beyond the walls of the piston, and ordinarily ininserting piston rings, it is necessary to hold the ends of thering inthe groove by hand as .the cylinder is low- In Figure l of the insertingrings. A piston 21 in which rings arel to be inserted, is arrangedbeneath the cylinder 22, the rings 23 inserted in the grooves andthetool adjusted on the outf side ofthe ring so that in expanded position,it ts snugly around the rings. The band 5 is then contracted and isretained in this position while the cylinder block is lowered, retainingthe rings in the `groove until the piston moves within the cylinder whenthe rings will be retained by the cylinder walls. It will be apparentthat within certain limits of adjustment, the tool may be employed forany size ypiston and rings by adjusting the position of yoke 18 on thethreaded rod 11. j y

It is to be understood thatthe form of my invention herewith shown anddescribed size. and arrangement of parts may be reo sorted yto withoutdeparting from the spirit ico ol the invention or the scope of theSubjoined claims, L

Having thus described my invention, claim:

1. In a device of the character described, a main handle, an auxiliaryhandle pivotally mounted thereon, a resilientA ringhaving,r one endsecured to said'main handle, a threaded rod secured tothe opposite endof said resilient ring, and connections between said auxiliaryliandlefand said rod to contract said rin(y when the auXiliarv-hendleisy C .l A

4 member havlngone end secured'tqthe main swung' on its pivot.

Q. A` tool l'or inserting piston ringsgcoinprising a main handle. anLauxiliaryhandle pivoted thereto. a resilient ring receiving`nlemberha'ving onevend secured tothe main ha'iidle'," a threadedrodsecured to the other end'` ot' said ring, a yoke having an' opening;therein for the receptionl of said rod, and means `for connectingsaidfyok'e to saidauX- iliary haiidle.- i f 3,' Aytolol forinsertingpiston rings comprising e mainf handle having' an arcuate end,2in-auxiliary handle pivotedthereto, a ringre'ceivingmember secured toone side or' said-arcuate end, the other lendoi said ring receivingmember being arranged adjacent the opposite side of said )arcuate end, a

:is swungA onI its. piYOt 4. A tool for insert-ing piston ringscoinprising a. main handle, an auxiliaryhandle- Jivo'ted thereto aresilient, rinn receivino' il 3 ZT D handle, a threaded rodsecuredtoftheother end of said ring' receiving member, yokeV having' an openingthereiny for the ,reception of said rod', alever pivotally mountedonsaid main handle and connected to lsaid.

yoke` and a linkconnecting said-lever to said auxiliary handle-4 Intestimonywhereof I` an'ix my signature in presence of'txvo` Witnesses.

ROSSk LEE.

Witnesses JAMES PETER Kosi, v GLEN CALLISON.

